Fixes #163.

New Smart probe API broke the cpumetric. Fix it by refactoring the view and
supporting code. Also disable pagination for get requests for specific single
objects.
New cpumetric view
Merge pull request #165 from schakrava/issue#163_cpu_util

Issue#163 cpu util
Setup pages should be accessible only if the device has not been setup

Add backbone.routefilter plugin
Add a filter for checking if setup has been done, and redirecting
appropriately
Remove setup check from home.js since it is now done in the correct
place ie the filter
Remove commented code

Remove old commented code in home.js
Merge branch 'issue#155_setup' of github.com:sujeetsr/rockstor-core into issue#155_setup

Resolved merge conflict

Conflicts:
	src/rockstor/templates/storageadmin/js/js/views/home.js